* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Helvetica Neue', Arial, sans-serif;
    font-weight: 400;
    line-height: 1.6;
    color: #1a1a1a;
    background: #ffffff;
}

:root {
    --primary-black: #000000;
    --primary-white: #ffffff;
    --gray-50: #fafafa;
    --gray-100: #f5f5f5;
    --gray-200: #eeeeee;
    --gray-300: #d1d5db;
    --gray-400: #9ca3af;
    --gray-600: #4b5563;
    --gray-800: #1f2937;
    --text-primary: #1a1a1a;
    --text-secondary: #666666;
}

.nav {
    position: fixed;
    top: 0;
    width: 100%;
    background: var(--primary-white);
    border-bottom: 1px solid var(--gray-200);
    z-index: 1000;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.05);
}

.nav-container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 2rem;
}

.nav-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 70px;
}

.logo {
    font-size: 1.125rem;
    font-weight: 400;
    letter-spacing: 0.02em;
    cursor: pointer;
    transition: opacity 0.2s;
    text-transform: none;
}

.logo:hover {
    opacity: 0.7;
}

.nav-links {
    display: none;
    gap: 2.5rem;
}

.nav-link {
    background: none;
    border: none;
    font-size: 0.813rem;
    cursor: pointer;
    transition: opacity 0.2s;
    color: var(--text-primary);
    font-weight: 400;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    padding: 0;
}

.nav-link:hover {
    opacity: 0.6;
}

.nav-right {
    display: flex;
    align-items: center;
    gap: 1.5rem;
}

.cart-icon {
    position: relative;
    cursor: pointer;
    transition: opacity 0.2s;
}

.cart-icon:hover {
    opacity: 0.6;
}

.cart-count {
    position: absolute;
    top: -8px;
    right: -8px;
    background: var(--primary-black);
    color: var(--primary-white);
    font-size: 0.625rem;
    width: 18px;
    height: 18px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 500;
}

.mobile-menu-btn {
    display: block;
    background: none;
    border: none;
    cursor: pointer;
    padding: 0;
    transition: opacity 0.2s;
}

.mobile-menu-btn:hover {
    opacity: 0.6;
}

.mobile-menu {
    display: none;
    background: var(--primary-white);
    border-top: 1px solid var(--gray-200);
    padding: 1.5rem 2rem;
}

.mobile-menu.active {
    display: block;
}

.mobile-menu-item {
    display: block;
    width: 100%;
    text-align: left;
    padding: 0.75rem 0;
    background: none;
    border: none;
    cursor: pointer;
    font-size: 0.813rem;
    font-weight: 400;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    transition: opacity 0.2s;
}

.mobile-menu-item:hover {
    opacity: 0.6;
}

@media (min-width: 768px) {
    .nav-links {
        display: flex;
    }
    
    .mobile-menu-btn {
        display: none;
    }
}

.page {
    display: none;
    padding-top: 70px;
    min-height: 100vh;
}

.page.active {
    display: block;
}

.container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 2rem;
}

.container-small {
    max-width: 900px;
    margin: 0 auto;
    padding: 0 2rem;
}

.section-title {
    font-size: 1.5rem;
    font-weight: 400;
    text-align: center;
    margin-bottom: 3rem;
    letter-spacing: 0.02em;
    color: var(--text-primary);
}

.page-title {
    font-size: 2rem;
    font-weight: 400;
    margin-bottom: 3rem;
    letter-spacing: 0.02em;
    color: var(--text-primary);
}

@media (min-width: 768px) {
    .section-title {
        font-size: 1.75rem;
    }
    
    .page-title {
        font-size: 2.5rem;
    }
}

.btn-primary,
.btn-secondary,
.btn-add-cart,
.btn-full {
    font-size: 0.813rem;
    font-weight: 400;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    cursor: pointer;
    transition: all 0.2s ease;
    border: none;
    font-family: inherit;
}

.btn-primary {
    background: var(--primary-black);
    color: var(--primary-white);
    padding: 0.875rem 2rem;
}

.btn-primary:hover {
    opacity: 0.8;
}

.btn-secondary {
    background: transparent;
    color: var(--primary-black);
    padding: 0.875rem 2rem;
    border: 1px solid var(--primary-black);
}

.btn-secondary:hover {
    background: var(--primary-black);
    color: var(--primary-white);
}

.btn-add-cart {
    background: var(--primary-black);
    color: var(--primary-white);
    padding: 0.625rem 1.5rem;
}

.btn-add-cart:hover {
    opacity: 0.8;
}

.btn-full {
    width: 100%;
    background: var(--primary-black);
    color: var(--primary-white);
    padding: 1rem;
}

.btn-full:hover {
    opacity: 0.8;
}

.hero {
    min-height: calc(100vh - 70px);
    display: flex;
    align-items: center;
    background: var(--gray-50);
    padding: 3rem 0;
}

.hero-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 3rem;
    align-items: center;
}

.hero-title {
    font-size: 2rem;
    font-weight: 400;
    line-height: 1.2;
    margin-bottom: 1.5rem;
    letter-spacing: 0.02em;
    color: var(--text-primary);
}

.hero-text {
    font-size: 1rem;
    color: var(--text-secondary);
    margin-bottom: 2rem;
    line-height: 1.7;
}

.hero-buttons {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.hero-image {
    width: 100%;
}

.hero-image img {
    width: 100%;
    height: auto;
    display: block;
}

@media (min-width: 768px) {
    .hero-grid {
        grid-template-columns: 1fr 1fr;
        gap: 4rem;
    }
    
    .hero-title {
        font-size: 2.5rem;
    }
    
    .hero-text {
        font-size: 1.063rem;
    }
    
    .hero-buttons {
        flex-direction: row;
    }
}

@media (min-width: 1024px) {
    .hero-title {
        font-size: 3rem;
    }
}

.featured-section {
    padding: 4rem 0;
    background: var(--primary-white);
}

.products-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 3rem;
}

.product-card {
    cursor: pointer;
}

.product-image-wrapper {
    overflow: hidden;
    background: var(--gray-50);
    margin-bottom: 1.25rem;
    position: relative;
}

.product-image {
    width: 100%;
    height: 500px;
    object-fit: cover;
    transition: transform 0.4s ease;
    display: block;
}

.product-card:hover .product-image {
    transform: scale(1.02);
}

.product-name {
    font-size: 0.938rem;
    font-weight: 400;
    margin-bottom: 0.5rem;
    letter-spacing: 0.02em;
    color: var(--text-primary);
}

.product-description {
    color: var(--text-secondary);
    margin-bottom: 1rem;
    font-size: 0.875rem;
    line-height: 1.6;
}

.product-footer {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 1rem;
}

.product-price {
    font-size: 0.938rem;
    font-weight: 400;
    color: var(--text-primary);
}

@media (min-width: 768px) {
    .featured-section {
        padding: 5rem 0;
    }
    
    .products-grid {
        grid-template-columns: 1fr 1fr;
        gap: 2rem;
    }
}

@media (min-width: 1024px) {
    .products-grid {
        gap: 3rem;
    }
}

.testimonials-section {
    padding: 4rem 0;
    background: var(--gray-50);
}

.testimonial-card {
    background: var(--primary-white);
    padding: 2.5rem 2rem;
    border: 1px solid var(--gray-200);
}

.stars {
    display: flex;
    margin-bottom: 1.25rem;
    gap: 0.25rem;
}

.testimonial-text {
    font-size: 1rem;
    margin-bottom: 1.5rem;
    line-height: 1.7;
    color: var(--text-primary);
}

.testimonial-author {
    font-weight: 400;
    font-size: 0.875rem;
    color: var(--text-secondary);
}

.testimonial-dots {
    display: flex;
    justify-content: center;
    gap: 0.5rem;
    margin-top: 1.5rem;
}

.dot {
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: var(--gray-300);
    cursor: pointer;
    transition: background 0.2s;
}

.dot.active {
    background: var(--primary-black);
}

@media (min-width: 768px) {
    .testimonials-section {
        padding: 5rem 0;
    }
    
    .testimonial-card {
        padding: 3rem 3rem;
    }
    
    .testimonial-text {
        font-size: 1.125rem;
    }
}

.faq-section {
    padding: 4rem 0;
    background: var(--primary-white);
}

.faq-list {
    display: flex;
    flex-direction: column;
    gap: 0;
}

.faq-item {
    border-bottom: 1px solid var(--gray-200);
}

.faq-item:first-child {
    border-top: 1px solid var(--gray-200);
}

.faq-question {
    width: 100%;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1.25rem 0;
    background: none;
    border: none;
    cursor: pointer;
    font-size: 0.938rem;
    font-weight: 400;
    text-align: left;
    transition: opacity 0.2s;
    color: var(--text-primary);
}

.faq-question:hover {
    opacity: 0.7;
}

.faq-icon {
    flex-shrink: 0;
    transition: transform 0.3s;
    margin-left: 1rem;
}

.faq-item.active .faq-icon {
    transform: rotate(180deg);
}

.faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease;
}

.faq-item.active .faq-answer {
    max-height: 500px;
}

.faq-answer p {
    padding: 0 0 1.25rem 0;
    color: var(--text-secondary);
    line-height: 1.7;
    font-size: 0.875rem;
}

@media (min-width: 768px) {
    .faq-section {
        padding: 5rem 0;
    }
}

.product-detail {
    padding: 3rem 0;
}

.product-detail-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 2.5rem;
}

.product-detail-image {
    background: var(--gray-50);
    padding: 2rem;
}

.product-detail-image img {
    width: 100%;
    height: auto;
    display: block;
}

.product-detail-title {
    font-size: 1.25rem;
    font-weight: 400;
    margin-bottom: 0.75rem;
    letter-spacing: 0.02em;
    color: var(--text-primary);
}

.product-detail-price {
    font-size: 1.125rem;
    font-weight: 400;
    margin-bottom: 1.25rem;
    color: var(--text-primary);
}

.product-detail-description {
    color: var(--text-secondary);
    margin-bottom: 2rem;
    line-height: 1.7;
    font-size: 0.875rem;
}

.product-detail-section {
    margin-bottom: 2rem;
}

.product-detail-section h3 {
    font-size: 0.875rem;
    font-weight: 400;
    margin-bottom: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--text-primary);
}

.product-detail-section p {
    color: var(--text-secondary);
    line-height: 1.7;
    font-size: 0.875rem;
}

.benefits-list {
    list-style: none;
    padding-left: 0;
}

.benefits-list li {
    padding: 0.375rem 0;
    padding-left: 1.25rem;
    position: relative;
    font-size: 0.875rem;
    color: var(--text-secondary);
    line-height: 1.6;
}

.benefits-list li::before {
    content: "✓";
    position: absolute;
    left: 0;
    font-weight: 400;
    color: var(--text-primary);
}

.ingredients-text {
    font-size: 0.813rem;
    color: var(--text-secondary);
    line-height: 1.7;
}

@media (min-width: 768px) {
    .product-detail {
        padding: 4rem 0;
    }
    
    .product-detail-grid {
        grid-template-columns: 1fr 1fr;
        gap: 4rem;
    }
    
    .product-detail-image {
        padding: 3rem;
    }
    
    .product-detail-title {
        font-size: 1.5rem;
    }
    
    .product-detail-price {
        font-size: 1.25rem;
    }
}

.about-content {
    padding: 3rem 0;
}

.about-intro {
    font-size: 1rem;
    margin-bottom: 2.5rem;
    line-height: 1.7;
    color: var(--text-primary);
}

.about-subtitle {
    font-size: 0.875rem;
    font-weight: 400;
    color: var(--text-primary);
    margin-top: 2.5rem;
    margin-bottom: 1rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.about-content p {
    color: var(--text-secondary);
    line-height: 1.7;
    margin-bottom: 1rem;
    font-size: 0.875rem;
}

.why-choose {
    background: var(--gray-50);
    padding: 2rem;
    margin-top: 3rem;
    border: 1px solid var(--gray-200);
}

.why-choose h3 {
    font-size: 0.875rem;
    font-weight: 400;
    margin-bottom: 1rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

@media (min-width: 768px) {
    .about-content {
        padding: 4rem 0;
    }
    
    .about-intro {
        font-size: 1.125rem;
    }
}

.contact-form {
    padding: 3rem 0;
}

.form-row {
    display: grid;
    grid-template-columns: 1fr;
    gap: 1.5rem;
    margin-bottom: 1.5rem;
}

.form-group {
    margin-bottom: 1.5rem;
}

.form-group label {
    display: block;
    font-size: 0.813rem;
    font-weight: 400;
    margin-bottom: 0.5rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--text-primary);
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    border: 1px solid var(--gray-300);
    padding: 0.75rem 1rem;
    font-size: 0.875rem;
    font-family: inherit;
    transition: border-color 0.2s;
    background: var(--primary-white);
    color: var(--text-primary);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary-black);
}

.form-fieldset {
    border: 1px solid var(--gray-300);
    padding: 1.25rem;
    margin-bottom: 1.5rem;
}

.form-fieldset legend {
    font-size: 0.813rem;
    font-weight: 400;
    padding: 0 0.5rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--text-primary);
}

.checkbox-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 0.75rem;
    margin-top: 0.75rem;
}

.checkbox-grid label {
    display: flex;
    align-items: center;
    gap: 0.625rem;
    font-size: 0.875rem;
    color: var(--text-secondary);
}

.radio-group {
    display: flex;
    flex-direction: column;
    gap: 0.625rem;
}

.radio-group label {
    display: flex;
    align-items: center;
    gap: 0.625rem;
    font-size: 0.875rem;
    color: var(--text-secondary);
}

.checkbox-label {
    display: flex;
    align-items: flex-start;
    gap: 0.625rem;
    font-size: 0.875rem;
    color: var(--text-secondary);
    line-height: 1.6;
}

.total-price {
    font-size: 0.875rem;
    color: var(--text-secondary);
    margin-top: 0.5rem;
}

.contact-info {
    display: grid;
    grid-template-columns: 1fr;
    gap: 2.5rem;
    margin-top: 4rem;
    text-align: center;
    padding-top: 3rem;
    border-top: 1px solid var(--gray-200);
}

.contact-info-item h3 {
    font-size: 0.813rem;
    font-weight: 400;
    margin-bottom: 0.5rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--text-primary);
}

.contact-info-item p {
    font-size: 0.875rem;
    color: var(--text-secondary);
}

@media (min-width: 768px) {
    .contact-form {
        padding: 4rem 0;
    }
    
    .form-row {
        grid-template-columns: 1fr 1fr;
    }
    
    .checkbox-grid {
        grid-template-columns: 1fr 1fr;
    }
    
    .contact-info {
        grid-template-columns: repeat(3, 1fr);
    }
}

.footer {
    background: var(--primary-black);
    color: var(--primary-white);
    padding: 3rem 0 2rem;
    margin-top: 4rem;
}

.footer-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 2.5rem;
}

.footer-column h3 {
    font-size: 0.938rem;
    font-weight: 400;
    margin-bottom: 1rem;
    letter-spacing: 0.02em;
}

.footer-column h4 {
    font-size: 0.813rem;
    font-weight: 400;
    margin-bottom: 1rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.footer-column p {
    font-size: 0.875rem;
    color: var(--gray-400);
    line-height: 1.6;
}

.footer-column ul {
    list-style: none;
}

.footer-column ul li {
    margin-bottom: 0.625rem;
}

.footer-column ul li a {
    font-size: 0.875rem;
    color: var(--gray-400);
    text-decoration: none;
    transition: color 0.2s;
}

.footer-column ul li a:hover {
    color: var(--primary-white);
}

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    margin-top: 3rem;
    padding-top: 2rem;
    text-align: center;
}

.footer-bottom p {
    font-size: 0.813rem;
    color: var(--gray-400);
}

@media (min-width: 768px) {
    .footer {
        padding: 4rem 0 2rem;
    }
    
    .footer-grid {
        grid-template-columns: repeat(4, 1fr);
        gap: 2rem;
    }
}

.hidden {
    display: none !important;
}

.cart-content {
    padding: 3rem 0;
}

.empty-cart {
    text-align: center;
    padding: 4rem 2rem;
    background: var(--gray-50);
    border: 1px solid var(--gray-200);
}

.empty-cart svg {
    margin: 0 auto 1.5rem;
    display: block;
    opacity: 0.3;
}

.empty-cart p {
    text-align: center;
    color: var(--text-secondary);
    margin-bottom: 2rem;
    font-size: 0.938rem;
}

.empty-cart .btn-primary {
    margin: 0 auto;
    display: block;
}

.cart-items {
    margin-bottom: 3rem;
}

.cart-item {
    display: grid;
    grid-template-columns: 80px 1fr;
    gap: 1.25rem;
    padding: 1.5rem 0;
    border-bottom: 1px solid var(--gray-200);
    align-items: start;
}

.cart-item:first-child {
    border-top: 1px solid var(--gray-200);
}

.cart-item-image {
    width: 80px;
    height: 80px;
    background: var(--gray-50);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.cart-item-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.cart-item-details {
    flex: 1;
}

.cart-item-details h3 {
    font-size: 0.875rem;
    font-weight: 400;
    margin-bottom: 0.375rem;
    color: var(--text-primary);
    line-height: 1.4;
}

.cart-item-details > p {
    font-size: 0.813rem;
    color: var(--text-secondary);
    margin-bottom: 0.75rem;
}

.cart-item-quantity {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    margin-top: 0.75rem;
}

.qty-btn {
    width: 26px;
    height: 26px;
    border: 1px solid var(--gray-300);
    background: var(--primary-white);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.2s;
    font-size: 0.875rem;
    color: var(--text-primary);
    padding: 0;
    font-family: inherit;
}

.qty-btn:hover {
    border-color: var(--primary-black);
    background: var(--gray-50);
}

.qty-value {
    font-size: 0.813rem;
    min-width: 30px;
    text-align: center;
    color: var(--text-primary);
}

.cart-item-right {
    display: flex;
    flex-direction: column;
    align-items: flex-end;
    gap: 0.75rem;
    margin-top: 0.25rem;
}

.cart-item-price {
    font-size: 0.875rem;
    font-weight: 400;
    color: var(--text-primary);
}

.remove-btn {
    background: none;
    border: none;
    color: var(--text-secondary);
    cursor: pointer;
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    transition: color 0.2s;
    padding: 0;
    font-family: inherit;
}

.remove-btn:hover {
    color: var(--primary-black);
}

.cart-summary {
    background: var(--gray-50);
    border: 1px solid var(--gray-200);
    padding: 2rem;
    margin-top: 2rem;
}

.cart-summary-content h3 {
    font-size: 0.875rem;
    font-weight: 400;
    margin-bottom: 1.5rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--text-primary);
}

.cart-summary-row {
    display: flex;
    justify-content: space-between;
    padding: 0.625rem 0;
    font-size: 0.813rem;
    color: var(--text-secondary);
}

.cart-summary-row span:first-child {
    color: var(--text-secondary);
}

.cart-summary-row span:last-child {
    color: var(--text-primary);
    font-weight: 400;
}

.cart-total {
    border-top: 1px solid var(--gray-300);
    margin-top: 0.75rem;
    padding-top: 1rem;
    font-size: 0.938rem;
    font-weight: 400;
    color: var(--text-primary);
}

.cart-total span {
    color: var(--text-primary);
    font-weight: 400;
}

.cart-summary .btn-full {
    margin-top: 1.5rem;
}

.cart-summary .btn-secondary {
    width: 100%;
    margin-top: 1rem;
}

@media (min-width: 640px) {
    .cart-item {
        grid-template-columns: 100px 1fr auto;
        gap: 1.5rem;
        align-items: center;
    }
    
    .cart-item-image {
        width: 100px;
        height: 100px;
    }
    
    .cart-item-details h3 {
        font-size: 0.938rem;
    }
    
    .cart-item-details > p {
        font-size: 0.875rem;
    }
}

@media (min-width: 768px) {
    .cart-content {
        padding: 4rem 0;
    }
    
    .cart-item {
        grid-template-columns: 120px 1fr auto;
    }
    
    .cart-item-image {
        width: 120px;
        height: 120px;
    }
    
    .empty-cart {
        padding: 5rem 3rem;
    }
}